[G] Powder Metallurgy, Sintering Process, Powder Process

[270] Effects of Cr amount on mechanical properties of (Ta, Cr, Ti, Mo, W)C high-entropy carbides

*Hirone Yamazaki¹, Takashi Sekine², Shigeaki Sugiyama³, Akihiro Nino⁴ (1. Akita Univ.(M), 2. Akita Ind. Technol. Ctr., 3. Department of Industry and Labor, Akita Prefectural Government, 4. Akita Univ.)

Keywords:硬質セラミックス、通電加圧焼結、硬さ、破壊靭性値、高融点炭化物

焼結体中のCr量の違いによる(Ta, Cr, Ti, Mo, W)C固溶体炭化物の機械的性質への効果，およびCo微量添加による破壊靭性値への効果について調べた.